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use std::collections::HashMap; use failure::Fail; use log::trace; use reqwest::{Response, StatusCode}; use serde::de::DeserializeOwned; use serde::Deserialize; use authenticate::{Scope, Token}; use get_home_status::HomeStatus; use get_homes_data::HomesData; use get_measure::Measure; use get_station_data::StationData; use crate::errors::{Error, ErrorKind, Result}; pub mod authenticate; pub mod get_home_status; pub mod get_homes_data; pub mod get_measure; pub mod get_station_data; pub mod set_room_thermpoint; pub trait Netatmo { fn get_home_status(&self, parameters: &get_home_status::Parameters) -> Result<HomeStatus>; fn get_homes_data(&self, parameters: &get_homes_data::Parameters) -> Result<HomesData>; fn get_station_data(&self, device_id: &str) -> Result<StationData>; fn get_measure(&self, parameters: &get_measure::Parameters) -> Result<Measure>; fn set_room_thermpoint( &self, parameters: &set_room_thermpoint::Parameters, ) -> Result<set_room_thermpoint::Response>; } #[derive(Debug)] pub struct ClientCredentials<'a> { pub client_id: &'a str, pub client_secret: &'a str, } pub struct NetatmoClient {} impl<'a> NetatmoClient { #[allow(clippy::new_ret_no_self)] pub fn new(client_credentials: &'a ClientCredentials) -> UnauthenticatedClient<'a> { UnauthenticatedClient { client_credentials, http: reqwest::Client::new(), } } pub fn with_token(token: Token) -> AuthenticatedClient { AuthenticatedClient { token, http: reqwest::Client::new(), } } } #[derive(Debug)] pub struct UnauthenticatedClient<'a> { client_credentials: &'a ClientCredentials<'a>, http: reqwest::Client, } impl<'a> UnauthenticatedClient<'a> { pub fn authenticate(self, username: &'a str, password: &'a str, scopes: &[Scope]) -> Result<AuthenticatedClient> { authenticate::get_token(&self, username, password, scopes) .map(|token| AuthenticatedClient { token, http: self.http }) .map_err(|e| e.context(ErrorKind::AuthenticationFailed).into()) } pub(crate) fn call<T>(&self, name: &'static str, url: &str, params: &HashMap<&str, &str>) -> Result<T> where T: DeserializeOwned, { api_call(name, &self.http, url, params) } } pub struct AuthenticatedClient { token: Token, http: reqwest::Client, } impl AuthenticatedClient { pub fn token(&self) -> &Token { &self.token } pub(crate) fn call<'a, T>(&'a self, name: &'static str, url: &str, params: &mut HashMap<&str, &'a str>) -> Result<T> where T: DeserializeOwned, { params.insert("access_token", &self.token.access_token); api_call(name, &self.http, url, params) } } fn api_call<T>(name: &'static str, http: &reqwest::Client, url: &str, params: &HashMap<&str, &str>) -> Result<T> where T: DeserializeOwned, { let mut res = http .post(url) .form(¶ms) .send() .map_err(|e| e.context(ErrorKind::FailedToSendRequest))? .general_err_handler(name, StatusCode::OK)?; let body = res.text().map_err(|e| e.context(ErrorKind::FailedToReadResponse))?; trace!("Sucessful ({:?}) repsone: '{}'", res.status(), body); serde_json::from_str::<T>(&body).map_err(|e| e.context(ErrorKind::JsonDeserializationFailed).into()) } pub(crate) trait GeneralErrHandler { type T: std::marker::Sized; fn general_err_handler(self, name: &'static str, expected_status: StatusCode) -> Result<Self::T>; } #[derive(Debug, Deserialize)] struct ApiError { #[serde(rename = "error")] details: ApiErrorDetails, } #[derive(Debug, Deserialize)] struct ApiErrorDetails { code: isize, message: String, } impl GeneralErrHandler for Response { type T = Response; fn general_err_handler(mut self, name: &'static str, expected_status: StatusCode) -> Result<Self> { match self.status() { code if code == expected_status => Ok(self), code @ StatusCode::BAD_REQUEST | code @ StatusCode::UNAUTHORIZED | code @ StatusCode::FORBIDDEN | code @ StatusCode::NOT_FOUND | code @ StatusCode::NOT_ACCEPTABLE | code @ StatusCode::INTERNAL_SERVER_ERROR => { let body = self.text().map_err(|e| { e.context(ErrorKind::UnknownApiCallFailure { name, status_code: code.as_u16(), }) })?; let err: ApiError = serde_json::from_str(&body).map_err(|e| { e.context(ErrorKind::UnknownApiCallFailure { name, status_code: code.as_u16(), }) })?; Err(Error::from(ErrorKind::ApiCallFailed { name, code: err.details.code, msg: err.details.message, })) } code => Err(Error::from(ErrorKind::UnknownApiCallFailure { name, status_code: code.as_u16(), })), } } } impl Netatmo for AuthenticatedClient { fn get_homes_data(&self, parameters: &get_homes_data::Parameters) -> Result<HomesData> { get_homes_data::get_homes_data(&self, parameters) } fn get_home_status(&self, parameters: &get_home_status::Parameters) -> Result<HomeStatus> { get_home_status::get_home_status(&self, parameters) } fn get_station_data(&self, device_id: &str) -> Result<StationData> { get_station_data::get_station_data(&self, device_id) } fn get_measure(&self, parameters: &get_measure::Parameters) -> Result<Measure> { get_measure::get_measure(&self, parameters) } fn set_room_thermpoint( &self, parameters: &set_room_thermpoint::Parameters, ) -> Result<set_room_thermpoint::Response> { set_room_thermpoint::set_room_thermpoint(&self, parameters) } }